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From: Konstantin Kletschke <lists@ku-gbr.de>
To: Ferenc Havasi <havasi@inf.u-szeged.hu>
Cc: Simon Kallweit <simon.kallweit@intefo.ch>, linux-mtd@lists.infradead.org
Subject: Re: Bugreport: JFFS2 + EBS
Date: Tue, 13 Sep 2005 16:06:42 +0200	[thread overview]
Message-ID: <87ek7t5afh.wl%kletschke@synertronixx.de> (raw)
In-Reply-To: <4326B6F4.1030709@inf.u-szeged.hu>


Hm, interesting.

This is 2.6.13 with mtd-cvs from yesterday (actually I produced the
error with other versions also IIRC, trying to reproduce actually):

Kernel says:

JFFS2 warning: (1) jffs2_sum_scan_sumnode: Summary node crc error, skipping summary information.
jffs2_scan_eraseblock(): Magic bitmask 0x1985 not found at 0x00000000: 0x00b0 instead
jffs2_scan_eraseblock(): Magic bitmask 0x1985 not found at 0x00000004: 0x00b0 instead
jffs2_scan_eraseblock(): Magic bitmask 0x1985 not found at 0x00000008: 0x00b0 instead
jffs2_scan_eraseblock(): Magic bitmask 0x1985 not found at 0x0000000c: 0x00b0 instead
jffs2_scan_eraseblock(): Magic bitmask 0x1985 not found at 0x00000010: 0x00b0 instead
jffs2_scan_eraseblock(): Magic bitmask 0x1985 not found at 0x00000014: 0x00b0 instead
jffs2_scan_eraseblock(): Magic bitmask 0x1985 not found at 0x00000018: 0x00b0 instead
jffs2_scan_eraseblock(): Magic bitmask 0x1985 not found at 0x0000001c: 0x00b0 instead
jffs2_scan_eraseblock(): Magic bitmask 0x1985 not found at 0x00000020: 0x00b0 instead
jffs2_scan_eraseblock(): Magic bitmask 0x1985 not found at 0x00000024: 0x00b0 instead
Further such events for this erase block will not be printed

a dozen of times...

Bootloader says:
scb9328> md 0x10240000
10240000: 20031985 0000000c e41eb0b1 e0011985    

emacs on flashed image says:
00000000: 8519 0320 0c00 0000 b1b0 1ee4 8519 01e0

So all is fine. Where is the Kernel reading 0x00b0 from?

> image worked at us. Finally he found the bug. It was not in the

Hm, I will search the archive then... Same Bug seems to be here.
Is the mapping code in maps meant by "flashdriver"?

> I am also curious what happen with EBS support but without sumtool.

jffs2_scan_eraseblock(): Magic bitmask 0x1985 not found at 0x00000000:
0x00b0 instead

and so on ...
 
> should mount without problem because it recognise it is not summarized 
> image, so apply the original scanning method.

Doesn't either :(

Regards, Konsti

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  parent reply	other threads:[~2005-09-13 14:07 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-09-12 14:05 Bugreport: JFFS2 + EBS Simon Kallweit
2005-09-13 11:24 ` Ferenc Havasi
2005-09-13 11:33   ` Artem B. Bityuckiy
2005-09-13 11:39     ` Ferenc Havasi
2005-09-13 11:56       ` Artem B. Bityuckiy
2005-09-13 14:06   ` Konstantin Kletschke [this message]
2005-09-13 14:44     ` Konstantin Kletschke

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